Games like Epic City Builder 4
Games like Epic City Builder 4 include Prison Architect, SimCity™ 4 Deluxe Edition, Tropico 6, Manor Lords, and Planet Coaster 2. We matched them by the tags players give Epic City Builder 4 on Steam (Political Sim, City Builder, Sandbox, God Game, and Base Building): closest matches first, and among equally close ones the better-known games.

Prison Architect
Shared: Sandbox · Base Building · City Builder

SimCity™ 4 Deluxe Edition
Shared: City Builder · Sandbox · Base Building

Tropico 6
Shared: City Builder · Political Sim · Strategy

Manor Lords
Shared: City Builder · Strategy · Base Building

Planet Coaster 2
Shared: Sandbox · City Builder · Strategy

Cities: Skylines
Shared: City Builder · Sandbox · Strategy

Foundation
Shared: City Builder · Sandbox · Strategy

Cities: Skylines II
Shared: City Builder · Sandbox · Strategy

Kingdoms and Castles
Shared: City Builder · Sandbox · Strategy

Against the Storm
Shared: City Builder · Strategy · Base Building

Workers & Resources: Soviet Republic
Shared: City Builder · Strategy · Base Building

Mad Games Tycoon 2
Shared: City Builder · Strategy · Sandbox

Planet Coaster
Shared: Sandbox · Strategy · Simulation

Dwarf Fortress
Shared: Base Building · City Builder · Sandbox

Banished
Shared: City Builder · Strategy · Sandbox

Empires of the Undergrowth
Shared: City Builder · Strategy · Base Building

Ostriv
Shared: City Builder · Strategy · Base Building

RimWorld
Shared: Base Building · Sandbox · Strategy

Two Point Museum
Shared: City Builder · Sandbox · Strategy

Timberborn
Shared: City Builder · Sandbox · Base Building

Songs of Syx
Shared: City Builder · Sandbox · Strategy

Dyson Sphere Program
Shared: Base Building · Sandbox · City Builder

MMORPG Tycoon 2
Shared: City Builder · Sandbox · God Game

Rise of Industry
Shared: City Builder · Strategy · Base Building